Municipal Administration Herisau
The waste water treatment plant in Herisau cleans the waste water of 94% of the population of Herisau. After a number of investments, the treatment plant can now also remove tiny contaminants (so-called micro-pollutants).
Order
New construction of an powdered activated carbon storage and dosing plant with gravimetric dosing, suspension tank and dosing pumps for the elimination of trace substances from the waste water (4th purification stage).